Heterogeneous Information Integration in Hierarchical Text Classification. - Huai-Yuan Yang; Tie-Yan Liu; Li Gao; Wei-Ying Ma (PAKDD, 2006)

Fast Large-Scale Spectral Clustering by Sequential Shrinkage Optimization. - Tie-Yan Liu; Huai-Yuan Yang; Xin Zheng; Tao Qin 001; Wei-Ying Ma (ECIR, 2007)